package com.example.sunmiv1.utils;

import android.util.Log;

import java.io.UnsupportedEncodingException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class ChineseToFirstCharUtil {
    private final static int[] li_SecPosValue = {1601, 1637, 1833, 2078, 2274,
            2302, 2433, 2594, 2787, 3106, 3212, 3472, 3635, 3722, 3730, 3858,
            4027, 4086, 4390, 4558, 4684, 4925, 5249, 5590};
    // 存放國標一級漢字不同讀音的起始區位碼對應讀音
    private final static String[] lc_FirstLetter = {"a", "b", "c", "d", "e",
            "f", "g", "h", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s",
            "t", "w", "x", "y", "z"};

    // 存放所有國標二級漢字讀音
    static String ls_SecondSecTable = "cjwgnspgcgne[z[btzzzdxzkzgt[jnnjqmbsgzsczjszz"
            + "[pgkbzgz[zwjkgkljzwkpjqhz[w[dzlsgmrzpzwwcckznkzzgttnjjnzkkzztcjnmczlqlzpzqfqrpzslwbtgkjfzxjwzltbncxjjjjtxdttsqzzcdxxhgck"
            + "[phffss[zbgxlppbzll[hlxs[zm[jhsojnghdzqzklgjhsgqzhxqgkezzwzscscjxzezxadzpmdssmzjzqjzzc[j"
            + "[wqjbzzpxgznzcpwhkxhqkmwfbpbzdtjzzkqhzlzgxfptzjzzzpszlfchmqshgmxxsxj["
            + "[dcsbbqbefsjzhxwgzkpzlqbgldlcctnmazddkssngzcsgxlzzazbnptsdkdzlhgzmzlcxpz"
            + "[jndqjwxqxfzzfjlejpzrxccqwqqsbnkzmgplbmjrqcflnzmzqmsqzrbcjthztqfrxqhxmjjcjlxqgjmshzkbswzemzltxfszdswlzcjqxsjnqbsctzhbftdczzdjwz"
            + "ghqfrxwckqkxebptlpxjzsrmebwhjlbjslzzsmdxlclqkxlhxjrzjmfqhxhwzwsbhtrxxglhqhfnm[zkldzxzpzlgg[mtcfpajjzzljtzanjgbjplqgdzzqz"
            + "axbkzsecjsznslzzhsxlzcghpxzhznztdsbcjkdlzazfmzdlebbgqzzkxgldndnzskjshdlzxbcghxzpkdjmmzngmmclgwzszxzjfznmlzzthcszdbdllscdd"
            + "nlkjzkjszcjlkwhqasdknhcsganhdaashtcplcpqzbsdmpjlpzjoqlcdhjjzsprchn[nnlhlzzqzhwzptczgwwmzffjqqqqzxaclbhkdjxdgmmzdjxzllszgx"
            + "gkjrzwzwzclzmssjzldbzd[fcxzhlxchzzjq[[qagmnzxpfrkssbjlzxzszglnscmhzwwmnzjjlxxhchsz[[ttxrzczxbzhcsmxjsznpwgpxxtazbgajcxlz"
            + "[dccwzocwkccsbnhcpdzznfczztzckxkzbsqkkztqqxfcwchczkelzqbsqzjqcclmthszwhmktlkjlzcxwheqqhtqh[pq"
            + "[qscfzmndmgbwhwlgsllzsdlmlxpthmjhwljzzhzjxhtxjlhxrswlwzjcbxmhzqxsdzpmgfcsglsxzmjshxpjxwmzqksmzplrthbxftpmhzxlchlhlzz"
            + "lxgsssstclsldclrpbhzhxzzfhb[gdmzcnqqwlqhjj[zwjzzejjdhpblqxtqkwhlchqxagtlxljxmsl[htzkzjecxjcjnmfbz[sfzwzbjzgnzsdzsqzrslj"
            + "pclpwxsdwejbjcbcnaztwgmpapclzqpclzxsbnmsggfnzjjbzsfzzndxhplqkzczwalsbccjx[zzgwkzpsgxfzfcdkhjgxdlqfsgdslqwzkxtmhsbgzmjzrglzj"
            + "bpmlmsxlzjqqhzzjczzdjwbmzklddpmjegxzhzlxhlqzqhkzcwcjmzzxnatjhzccxzpcqlbzwwztwbqcmlpmzrjcccxfpznzzljplxxzztzlgdldcklzrzzgqtg"
            + "jhhgjljaxfgfjzslcfdqzlclgjdjcsnzlljpjqdcclcjxmzzftsxgcgsbrzxjqqctzhgzqtjqqlzxjzlzlbczamcstzlpdjbzregklzzzhlzszqlznwczcllwjq"
            + "jjjkdgjzolbbzppglghtgzxzghzmzcnqszczhbhgxkamtxzxnbskzzzgjzlqjdfcjxdzgjqjjpmgwgjjjpkqsbgbmmcjssclpqpdxcdzzkz[cjddzzgzwrhjrtgz"
            + "nzqldkljszzgzqzjgdzkshpzmtlcpwnjafzzdjcnmwesczglbtzcgmssllzxqsxsbsjsbbsgghfjlzpmzjnlzzwdqshzxtzzwhmzzhzwdbxbtlmszzzfsxjc[dxx"
            + "lhjhf[sxzqhfzmzcztqcxzxrttdjhnnzzqqmnqdmmg[zdxmjgdhcdzzbffallztdltfxmxqzdngwqdbdczjdxbzgsqqddjcmbkzffxmkdmdszzszcmljdsznsbrs"
            + "kmkmpcklgdbqtfzswtfgglzplljzhgj[gzpzltcsmcnbtjbqfkthbzzgkpbbzmtdssxtbnpdklezcjnzddzkzddhqhsdzsctarlltkzlgecllkjlqjaqnbdkkghp"
            + "jtzqksecshalqfmmgjnlzjbbtmlzzxdcjpldlpcqdhzzcbzsczbzmsljflkrzjsnfrgjhxpdhzjzbzgdlqcsezgxlblgzxtwmabchecmwzjzzlljjzhlg[djlslz"
            + "gkdzpzxjzzzlwcxszfgwzzdlzhcljscmbjhblzzlzcblzdpdqzsxqzbztdkzxjz[cnrjmpdjgklcljbctbjddbblblczqrppxjcjlzcshltoljnmdddlngkaqhqh"
            + "jgzkheznmshrp[qqjchgmfprxhjgdzchghlzrzqlczqjnzsqtkqjzmszswlcfqqqxzfggzptqwlmcrnfkkfszzlqbmqammmzxctpshcptxxzzsmphpshmclmldqf"
            + "zqxszzzdzjzzhqpdszglstjbckbxzqzjsgpsxqzqzrqtbdkzxzkhhgflbcsmdldgdzdblzzzcxnncszbzbfglzzxswmsccmqnjqsbdqsjtxxmbltxzclzshzcxrq"
            + "jgjzlxzfjphzmzqqzdfqjjlzznzjcdgzzgctxmzzsctlkphtxhtlbjxjlxscdqxcbbtjfqzfsltjbtkqbxxjjljchczdbzjdczjdcprnpqcjpfczlclzxzdmxmph"
            + "jsgzgszzqlzlwtjpfszasmcjbtzkzcwmztcsjjljcqlwzmalbxzfbpnlsfhtgjwejjxxglljstgshjqlzfkcgnnnszfdeqfhbsaqtgzlbxmmzgszldzdqmjjrgbj"
            + "tkgdhgkblqkbdmbzlxwcxzttzbkmrtjzxqjbhlmhmjjzmqasldczxzqdlqcafzwzxqhz";

    /**
     * 取得給定漢字串的首字母串,即聲母串
     *
     * @param str 給定漢字串
     * @return 聲母串
     */
    public static String getChineseInitial(String str) {
        if (str == null || str.trim().length() == 0) {
            return "";
        }

        String _str = "";
        for (int i = 0; i < str.length(); i++) {
            _str = _str + getFirstLetter(str.substring(i, i + 1));
        }

//        Log.e(TAG, "getChineseInitial: str=======" + str + "=====_str====" + _str);

        return _str.toLowerCase();
    }

    /**
     * 取得給定漢字的首字母,即聲母
     *
     * @param chinese 給定的漢字
     * @return 給定漢字的聲母
     */
    public static String getFirstLetter(String chinese) {
        if (chinese == null || chinese.trim().length() == 0) {
            return "";
        }
        // 二級字庫偏移量
        int ioffset = 0;
        String eng = chinese;
        chinese = conversionStr(chinese, "GB2312", "ISO8859-1");
//        Log.e(TAG, "getFirstLetter: chinese=====" + chinese);
        if (chinese.length() > 1&&!inputJudge(eng)&&!test(eng)) // 判斷是不是漢字
        {
            int li_SectorCode = (int) chinese.charAt(0); // 漢字區碼
            int li_PositionCode = (int) chinese.charAt(1); // 漢字位碼
            li_SectorCode = li_SectorCode - 160;
            li_PositionCode = li_PositionCode - 160;
            int li_SecPosCode = li_SectorCode * 100 + li_PositionCode; // 漢字區位碼

            // 漢字編碼範圍在1601-1694,1701-1794,....一直到8701-8794範圍以內
            if (li_SecPosCode > 1600 && li_SecPosCode < 5590
                    && li_SecPosCode % 100 < 95) {
                for (int i = 0; i < 23; i++) {
                    if (li_SecPosCode >= li_SecPosValue[i]
                            && li_SecPosCode < li_SecPosValue[i + 1]) {
                        chinese = lc_FirstLetter[i];
                        break;
                    }
                }
            } else if (li_SecPosCode > 5590 && li_SecPosCode < 8795
                    && li_SecPosCode % 100 < 95) {
                ioffset = (li_SectorCode - 56) * 94 + li_PositionCode - 1;
                if (ioffset >= 0 && ioffset <= 3007) {
                    chinese = ls_SecondSecTable.substring(ioffset, ioffset + 1);
                }
            } else {
                chinese = conversionStr(chinese, "ISO8859-1", "GB2312");
                chinese = chinese.substring(0, 1);
            }
        } else if (test(eng)) {
            return eng;
        } else {
            return "";
        }

        return chinese;
    }

    /**
     * 判斷是否包含特殊字符
     *
     * @return false:未包含 true：包含
     */
    public static boolean inputJudge(String editText) {
        String speChat = "[`~!@#$%^&*()+=|{}':;',\\[\\].<>/?~！@#$%……&*（）——+|{}【】‘；：”“’。，、？·●]";
        Pattern pattern = Pattern.compile(speChat);
        Log.d("inputJudge", "pattern: " + pattern);
        Matcher matcher = pattern.matcher(editText);
        Log.d("inputJudge", "matcher: " + matcher);
        if (matcher.find()) {
            return true;
        } else {
            return false;
        }
    }

    /**
     * 判斷是否是英文
     */
    public static boolean test(String s) {
        char c = s.charAt(0);
        int i = (int) c;
        if ((i >= 65 && i <= 90) || (i >= 97 && i <= 122)) {
            return true;
        } else {
            return false;
        }
    }

    /**
     * 字符串編碼轉換
     *
     * @param str           要轉換編碼的字符串
     * @param charsetName   原來的編碼
     * @param toCharsetName 轉換後的編碼
     * @return 經過編碼轉換後的字符串
     */
    private static String conversionStr(String str, String charsetName,
                                        String toCharsetName) {
        try {
            str = new String(str.getBytes(charsetName), toCharsetName);
        } catch (UnsupportedEncodingException ex) {
            ex.printStackTrace();
        }

        return str;
    }

}
